During an audit of a telecommunications system the IS auditor finds that the risk of intercepting data transmitted to and from remote sites is very high. The MOST effective control for reducing this exposure is: A. encryption. B. callback modems. C. message authentication. D. dedicated leased lines.

Which of the following is the MOST effective technique for providing security during data transmission? A. Communication log B. Systems software log C. Encryption D. Standard protocol

To develop a successful business continuity plan, end user involvement is critical during which of the following phases? A. Business recovery strategy B. Detailed plan development C. Business impact analysis D. Testing and maintenance

An organization is experiencing a growing backlog of undeveloped applications. As part of a plan to eliminate this backlog, end-user computing with prototyping, supported by the acquisition of an interactive application generator system is being introduced. Which of the following areas is MOST critical to the ultimate success of this venture? A. Data control B. Systems analysis C. Systems programming D. Application programming

In addition to the backup considerations for all systems, which of the following is an important consideration in providing backup for online systems? A. Maintaining system software parameters B. Ensuring periodic dumps of transaction logs C. Ensuring grandfather-father-son file backups D. Maintaining important data at an off-site location

The purpose for requiring source code escrow in a contractual agreement is to: A. ensure the source code is available if the vendor ceases to exist. B. permit customization of the software to meet specified business requirements. C. review the source code for adequacy of controls. D. ensure the vendor has complied with legal requirements.

An IS auditor, in evaluating proposed biometric control devices reviews the false rejection rates (FRRs), false acceptance rates (FARs) and equal error rates (ERRs) of three different devices. The IS auditor should recommend acquiring the device having the: A. least ERR. B. most ERR. C. least FRR but most FAR. D. least FAR but most FRR.

Which of the following is the MOST effective control over visitor access to a data center? A. Visitors are escorted. B. Visitor badges are required. C. Visitors sign in. D. Visitors are spot-checked by operators.

When selecting software, which of the following business and technical issues is the MOST important to be considered? A. Vendor reputation B. Requirements of the organization C. Cost factors D. Installed base

Which of the following normally would be the MOST reliable evidence for an auditor? A. A confirmation letter received from a third party verifying an account balance B. Assurance from line management that an application is working as designed C. Trend data obtained from World Wide Web (Internet) sources D. Ratio analysis developed by the IS auditor from reports supplied by line management

Which of the following forms of evidence for the auditor would be considered the MOST reliable? A. An oral statement from the auditee B. The results of a test performed by an IS auditor C. An internally generated computer accounting report D. A confirmation letter received from an outside source

After installing a network, an organization installed a vulnerability assessment tool or security scanner to identify possible weaknesses. Which is the MOST serious risk associated with such tools? A. Differential reporting B. False positive reporting C. False negative reporting D. Less detail reporting

Which of the following types of transmission media provide the BEST security against unauthorized access? A. Copper wire B. Twisted pair C. Fiber-optic cables D. Coaxial cables

Confidential data residing on a PC is BEST protected by: A. a password. B. file encryption. C. removable diskettes. D. a key operated power source.

Which of the following concerns associated with the World Wide Web would be addressed by a firewall? A. Unauthorized access from outside the organization B. Unauthorized access from within the organization C. A delay in Internet connectivity D. A delay in downloading using file transfer protocol (FTP)